FR2121536B1 - - Google Patents

Info

Publication number
FR2121536B1
FR2121536B1 FR7200005A FR7200005A FR2121536B1 FR 2121536 B1 FR2121536 B1 FR 2121536B1 FR 7200005 A FR7200005 A FR 7200005A FR 7200005 A FR7200005 A FR 7200005A FR 2121536 B1 FR2121536 B1 FR 2121536B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7200005A
Other versions
FR2121536A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ROLA CELESTION Ltd
Original Assignee
ROLA CELESTION Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ROLA CELESTION Ltd filed Critical ROLA CELESTION Ltd
Publication of FR2121536A1 publication Critical patent/FR2121536A1/fr
Application granted granted Critical
Publication of FR2121536B1 publication Critical patent/FR2121536B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22—Clamping rim of diaphragm or cone against seating

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR7200005A 1971-01-04 1972-01-03 Expired FR2121536B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33171*[A GB1380914A (en) 1971-01-04 1971-01-04 Diaphragm assemblies for electro-acoustic transducers

Publications (2)

Publication Number Publication Date
FR2121536A1 FR2121536A1 (fr) 1972-08-25
FR2121536B1 true FR2121536B1 (fr) 1979-08-03

Family

ID=9702509

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7200005A Expired FR2121536B1 (fr) 1971-01-04 1972-01-03

Country Status (15)

Country Link
US (1) US3780232A (fr)
AT (1) AT326744B (fr)
BE (1) BE777617A (fr)
CH (1) CH545053A (fr)
DE (2) DE2165572C3 (fr)
DK (1) DK138148B (fr)
ES (1) ES398583A1 (fr)
FI (1) FI57507C (fr)
FR (1) FR2121536B1 (fr)
GB (1) GB1380914A (fr)
IE (1) IE35948B1 (fr)
IT (1) IT945663B (fr)
NL (1) NL7200036A (fr)
NO (1) NO130255B (fr)
SE (1) SE379474C (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1531791A (en) * 1976-03-17 1978-11-08 Rank Organisation Ltd Transducers
JPS5414726A (en) * 1977-07-06 1979-02-03 Hitachi Ltd Dome type speaker
DE2941644C2 (de) * 1978-10-17 1982-11-11 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Lautsprechermembran und Verfahren zu ihrer Herstellung
DE2905566A1 (de) * 1979-02-14 1980-08-28 Standard Elektrik Lorenz Ag Universelles kalottenlautsprecher- bauelement
CH639707A5 (de) * 1979-08-16 1983-11-30 Staeubli Ag Rotationsschaftmaschine.
JPS6042558Y2 (ja) * 1980-04-17 1985-12-27 ソニー株式会社 スピ−カ
US4433214A (en) * 1981-12-24 1984-02-21 Motorola, Inc. Acoustical transducer with a slotted piston suspension
DE3722832A1 (de) * 1987-07-03 1989-01-12 Electronic Werke Deutschland Membran fuer einen lautsprecher
US5357587A (en) * 1992-12-23 1994-10-18 Grodinsky Robert M Distortion reduction in loudspeakers
JP3140895B2 (ja) * 1993-10-08 2001-03-05 パイオニア株式会社 スピーカ装置
AT414069B (de) * 1999-04-22 2006-08-15 Akg Acoustics Gmbh Elektroakustischer wandler für extreme druckbelastungen
US6724910B1 (en) 1999-10-04 2004-04-20 Harman International Industries, Incorporated Diaphragm stable through hygroscopic cycling
US6351544B1 (en) 1999-12-10 2002-02-26 Harman International Industries Incorporated Regressively hinged spider
JP2002152885A (ja) * 2000-11-14 2002-05-24 Sony Corp スピーカ装置
DE60303189T2 (de) * 2003-09-11 2006-08-24 Akg Acoustics Gmbh Dynamischer elektroakustischer Wandler, insbesondere kleiner Lautsprecher
EP1694094A1 (fr) * 2005-02-18 2006-08-23 AKG Acoustics GmbH Membrane pour convertisseur dynamique
WO2007109828A1 (fr) * 2006-03-28 2007-10-04 Immersion Technology Property Limited Système de haut-parleurs avec égalisation acoustique
CN102047690B (zh) * 2008-05-21 2013-10-16 佳奈斯新音响有限公司 扬声器
CN103085338B (zh) * 2013-01-21 2014-12-10 宁海县雁苍山电力建设有限公司 模压组合纸卷筒的制造方法
GB2525429A (en) * 2014-04-24 2015-10-28 Funktion One Res Loudspeaker
CN204929237U (zh) * 2015-07-31 2015-12-30 常州美欧电子有限公司 移动终端

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US685429A (en) * 1901-02-05 1901-10-29 George Osten Diaphragm for acoustical apparatus.
GB385286A (en) * 1930-03-17 1932-12-22 Walter Greppert Improvements in and relating to diaphragms, more particularly for sound boxes of talking machines
US2442791A (en) * 1945-09-07 1948-06-08 Bell Telephone Labor Inc Acoustic device
GB763974A (en) * 1953-10-14 1956-12-19 Koepenick Funkwerk Veb Electro-acoustic transducer of the moving coil type
US2974204A (en) * 1954-07-06 1961-03-07 Kane Corp Du Transducer
AT193449B (de) * 1955-09-30 1957-11-25 Siemens Ag Metallmembran
DE1107712B (de) * 1958-12-31 1961-05-31 Sennheiser Electronic Verfahren zur Herstellung einer Membran
US3033945A (en) * 1959-05-01 1962-05-08 Ar Inc Voice coil and diaphragm support for high frequency loud-speaker
US3328537A (en) * 1964-01-09 1967-06-27 Hecht William High frequency sound translating device
AT274080B (de) * 1967-07-05 1969-09-10 Philips Nv Schallwandler mit einer Schaumstoffmembran

Also Published As

Publication number Publication date
BE777617A (fr) 1972-04-17
FI57507C (fi) 1980-08-11
SE379474B (fr) 1975-10-06
NL7200036A (fr) 1972-07-06
DK138148B (da) 1978-07-17
US3780232A (en) 1973-12-18
GB1380914A (en) 1975-01-15
NO130255B (fr) 1974-07-29
IE35948L (en) 1972-07-04
FI57507B (fi) 1980-04-30
FR2121536A1 (fr) 1972-08-25
IE35948B1 (en) 1976-07-07
DK138148C (fr) 1979-01-08
DE2165572A1 (de) 1972-07-20
AT326744B (de) 1975-12-29
DE2165572B2 (de) 1975-11-06
DE2165572C3 (de) 1981-06-19
DE2166848A1 (de) 1976-03-11
CH545053A (de) 1973-11-30
SE379474C (sv) 1981-05-04
ES398583A1 (es) 1974-09-16
IT945663B (it) 1973-05-10

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Legal Events

Date Code Title Description
ST Notification of lapse